# Nuisance protocol vs HazMat

The clearest difference is in-app purchases: HazMat at none against Nuisance protocol's 1. HazMat also leads on iOS requirement (12.1 vs 16.6). Nuisance protocol's advantage is update cadence (every 2 weeks vs every 4 months). On price, ads and device support there is nothing between them.

Both are free to download. Nuisance protocol sells 1 one-off in-app purchase. HazMat asks for nothing beyond the download.

Nuisance protocol ships an update every 2 weeks, HazMat every 4 months. The most recent releases landed on November 3, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Nuisance protocol | HazMat |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 4 months |
| Monetization | Free with in-app purchases | — |
| Size | 22 MB | 31 MB |
| Requires iOS | 16.6 | **12.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Felix Reimann](https://appshunter.io/developer/1513019105) | [DENIOS AG](https://appshunter.io/developer/1527415640) |

## What reviewers say

### Nuisance protocol

[App page](https://appshunter.io/ios/app/nuisance-protocol/id1513019346)

Document and track noise disturbances, noting their type, duration, and witnesses. This app helps create a protocol for potential claims related to property value decrease or compensatory measures due to acute nuisances.

**Highlights:** Record noise nuisance type, Log start time and duration, Add witnesses from contacts, Obtain witness signatures, Import existing protocols, Automatic protocol generation

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Donation | $3.99 | one-time |


### HazMat

[App page](https://appshunter.io/ios/app/hazmat-storage-checker/id1548746026)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Nuisance protocol free?

Nuisance protocol is free to download, with in-app purchases available.

### Is HazMat free?

HazMat is free to download, with no in-app purchases.

### Do Nuisance protocol or HazMat have ads?

Neither Nuisance protocol nor HazMat shows ads.

### Which is updated more often, Nuisance protocol or HazMat?

Nuisance protocol ships an update every 2 weeks, and HazMat every 4 months. Most recently, Nuisance protocol was updated on November 3, 2026 and HazMat on October 29, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*